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Product Description

Item Package Quantity: 1

Product Description

The Rain and Freeze Sensor prevents your automatic sprinkler system from watering during a storm. The rain sensor is adjustable to accommodate rainfall from 1/8 In. to 1 In. The freeze sensor reduces hazards and damage to your pipes from freezing water. 3 mounting options threaded, slip, and rain gutter. Saves water in drought conditions.

From the Manufacturer

The Rain and Freeze Sensor prevents your automatic sprinkler system from watering during a storm. The rain sensor is adjustable to accommodate rainfall from 1/8 In. to 1 In. The freeze sensor reduces hazards and damage to your pipes from freezing water.

Most Helpful Customer Reviews

The rain sensor is hard-wired. There is also a model which is wireless. The hard-wired unit is wired to interrupt the electrical current going to the irrigation zone solenoids. There is no way to override it, so if it rains enough to trip the switch you have to either go up and re-adjust it, or just do without watering until it dries out. This can be bypassed by the user just installing a simple switch between the wires that go to the rain sensor, essentially bypassing the switch.

The switch does not contain a float mechanism. It works by rain causing expansion of some fibrous washers which in turn presses a micro-switch to interrupt the electrical current to the irrigation valves solenoids.

There are two adjustments on the switch- one for how much rain it takes to trip it and the other for how quickly it will be allowed to dry after it gets wet. There is a calibration on the side for how much rain is needed to trip it.

Overall the switch has worked quite well. I set it for 1/4 inch of rain when I installed it and that has been about right. I've only had one tim when it didn't come on and I wanted it to, and one time that it didn't turn off, probably because the switch didn't have time to react to the rain.

The system obviously can't predict if it is going to rain later in the day which would eliminate the need for the irrigation system to run earlier in the day. That is up to the user and there is a system delay button on the irrigation controller to do that.

Overall a 4 star rating. I'd give it 5 stars if it had a way to manually bypass the switch. I believe that the wireless sensor does have that feature. If I had known about the wireless sensor I would have gotten that, assuming it wasn't too costly. Not sure how reliable the wireless one is or how often one has to change the batteries. Probably worth a try!

I bought this sensor and tried it several times under spring rain. The sensor will be triggered by the rain, but it took a while (about a half hour heavy rain) to start. That causes a lot of waste of water if your system happened to start during this time. I guess this is the shortcoming of this type (disc expansion) of rain sensor. In addition, the sensor supposedly can stay on for a period of 1 or 2 days depends on the evaporation setting on the sensor. I set the evaporation window to fully closed in order to test the longest delay time. After several heavy rains, the sensor can only stay on for no more than 10 hours. That means 10 hours later after a heavy rain, the system can still start to water your lawn. I am disappointed about this sensor. Nevertheless, the sensor looks pretty solid, and sleek.

I recently purchased [4] rain sensors and installed them on my drip-system controllers at my ranch.Amazon has the lowest cost/no shipping $/and fast delivery! The [2] sensors that i installed on 'old' orbit controllers[wired in series with the valves 'common'wires tested fine. however the [2] sensors that i installed on 'new' orbit controllers [which contained sensor switches and connection lugs] would not work until i added a jumper-wire from the valve 'common' lug to the 'right-sensor-lug.then these [2] sensors also tested fine.[i sent an e-mail to orbit related to this problem but never heard back from them].we will have to wait for the Az summer monsoons to arrive[jly-aug-sept] to actually determine that the sensors shut down the drip-systems during rain storms.if the sensors work as stated they will be a major improvement in our drip systems and a large water cost saving also!!

I had to change my old timer against a new Orbit Underground 57874 4-Zone Indoor Timer Water Irrigation Controller. This controller works with the Orbit 57069 rain sensor so I decided to buy one.

The price is great and Amazon delivered quickly as usual. I opened the box and didn't even bother with the instructions. My timer is nearby the pool outside so I had to put the sensor around it on a concrete wall.

Installation was easy:

1) Drill 2 holes in the wall using the plastic base as a template2) Make sure to place and screw the plastic bottom cap of the sensor3) Place the sensor on its base on the wall4) REMOVE the jump wire on the timer (2 screws to loos, important!) where it says Rain Sensor5) Insert the 2 wires from the sensor (it doesn't matter which goes where) where the jumper wire was6) Secure the wires with the screws7) Set the rain sensor switch to TIMER ON8) Secure the remaining extra wire with a zip tie (I didn't cut mine in case I needed to move it somewhere else)

Testing the rain sensor:1) Set your timer to manual ALL station and press enter (at least on my model)2) Sprinklers will go off3) Press on the top of the rain sensor for 3-5 seconds, you should see that the top acts like a button and the watering should stop4) Release the top of the rain sensor, you'll see the watering starts again

Congratulations, you've just set up your rain sensor!

Of course the real test will be when it rains so keep an eye on it but if it tested good with the steps above, you're good to go!

I set mine to 1/4 inch of water which should be enough to not over watering but you have the choice between 1/8 inch to 1 inch I believe so plenty of option to play with. It took about 10 minutes to install, super easy.